8-Week Old Kittens Have Almost Completed Their Studies at School Bowlful of just-waking-up kittens. Yogi, Popcorn, Crackerjacks at 8 weeks old. This is one toy all the kitties love Mickie and the Baseballs play with the bird toy. Mickie ate the feather bird attachment several weeks ago. Nobody turns their nose up at 3 meals a day now.